Okuma OSP-P200L Manuale del proprietario

CNC SYSTEM

OSP-P200L/P20L

OSP-P200L-R/P20L-R

PROGRAMMING MANUAL

(3rd Edition)

Pub No. 5238-E-R2 (LE33-013-R3) Aug. 2007

5238-E P-(i)

SAFETY PRECAUTIONS

The machine is equipped with safety devices which serve to protect personnel and the machine itself from

hazards arising from unforeseen accidents. However, operators must not rely exclusively on these safety

devices: they must also become fully familiar with the safety guidelines presented below to ensure accident-

free operation.

This instruction manual and the warning signs attached to the machine cover only those hazards which

Okuma can predict. Be aware that they do not cover all possible hazards.

1. Precautions Relating to Installation

(1) Please be noted about a primary power supply as follows.

•Do not draw the primary power supply from a distribution panel that also supplies a major

noise source (for example, an electric welder or electric discharge machine) since this

could cause malfunction of the CNC unit.

•If possible, connect the machine to a ground not used by any other equipment. If there is

no choice but to use a common ground, the other equipment must not generate a large

amount of noise (such as an electric welder or electric discharge machine).

(2) Installation Environment

Observe the following points when installing the control enclosure.

•Make sure that the CNC unit will not be subject to direct sunlight.

•Make sure that the control enclosure will not be splashed with chips, water, or oil.

•Make sure that the control enclosure and operation panel are not subject to excessive

vibrations or shock.

•The permissible ambient temperature range for the control enclosure is 5 to 40°C.

•The permissible ambient humidity range for the control enclosure is relative humidity 50%

or less at 40°C (no condensation).

•The maximum altitude at which the control enclosure can be used is 1000 m (3281ft.).

2. Points to Check before Turning on the Power

(1) Close all the doors of the control enclosure and operation panel to prevent the entry of water,

chips, and dust.

(2) Make absolutely sure that there is nobody near the moving parts of the machine, and that there

are no obstacles around the machine, before starting machine operation.

(3) When turning on the power, turn on the main power disconnect switch first, then the CONTROL

ON switch on the operation panel.

5238-E P-(ii)

SAFETY PRECAUTIONS

3. Precautions Relating to Manual/Continuous Operation

(1) Follow the instruction manual during operation.

(2) Do not operate the machine with the front cover, chuck cover, or another protective cover

removed.

(3) Close the front cover before starting the machine.

(4) When machining the initial workpiece, check for machine operations, run the machine under no

load to check for interference among components, cut the workpiece in the single block mode,

and then start continuous operation.

(5) Ensure your safety before rotating the spindle or moving a machine part.

(6) Do not touch chips or workpiece while the spindle is rotating.

(7) Do not stop a rotating part with hand or another means.

(8) Check that the condition of hydraulic chuck jaws as mounted, operating pressure, and

maximum permissible revolving speed.

(9) Check the condition and location of the cutting tool as mounted.

(10) Check the tool offset value.

(11) Check the zero offset value.

(12) Check that the SPINDLE OVERRIDE and FEEDRATE OVERRIDE dials on the NC operation

panel are set to 100%.

(13) When moving the turret, check the software limits for X- and Z-axes or the locations of limit

switch dogs to prevent interference with the chuck and tailstock.

(14) Check the location of the turret.

(15) Check the location of the tailstock.

(16) Cut workpieces with a transmitted power and torque within the permissible range.

(17) Chuck each workpiece firmly.

(18) Check that the coolant nozzle is properly located.

4. On Finishing Work

(1) On finishing work, clean the vicinity of the machine.

(2) Return the ATC, APC and other equipment to the predetermined retraction position.

(3) Always turn off the power to the machine before leaving it.

(4) To turn off the power, turn off the CONTROL ON switch on the operation panel first, then the

main power disconnect switch.

5238-E P-(iii)

SAFETY PRECAUTIONS

5. Precautions during Maintenance Inspection and When

Trouble Occurs

In order to prevent unforeseen accidents, damage to the machine, etc., it is essential to observe the

following points when performing maitenance inspections or during checking when trouble has

occurred.

(1) When trouble occurs, press the emergency stop button on the operation panel to stop the

machine.

(2) Consult the person responsible for maintenance to determine what corrective measures need

to be taken.

(3) If two or more persons must work together, establish signals so that they can communicate to

confirm safety before proceeding to each new step.

(4) Use only the specified replacement parts and fuses.

(5) Always turn the power off before starting inspection or changing parts.

(6) When parts are removed during inspection or repair work, always replace them as they were

and secure them properly with their screws, etc.

(7) When carrying out inspections in which measuring instruments are used - for example voltage

checks - make sure the instrument is properly calibrated.

(8) Do not keep combustible materials or metals inside the control enclosure or terminal box.

(9) Check that cables and wires are free of damage: damaged cables and wires will cause current

leakage and electric shocks.

(10) Maintenance inside the Control Enclosure

a. Switch the main power disconnect switch OFF before opening the control enclosure door.

b. Even when the main power disconnect switch is OFF, there may some residual charge in

the MCS drive unit (servo/spindle), and for this reason only service personnel are permitted

to perform any work on this unit. Even then, they must observe the following precautions.

•MCS drive unit (servo/spindle)

The residual voltage discharges two minutes after the main switch is turned OFF.

c. The control enclosure contains the NC unit, and the NC unit has a printed circuit board

whose memory stores the machining programs, parameters, etc. In order to ensure that the

contents of this memory will be retained even when the power is switched off, the memory

is supplied with power by a battery. Depending on how the printed circuit boards are

handled, the contents of the memory may be destroyed and for this reason only service

personnel should handle these boards.

5238-E P-(iv)

SAFETY PRECAUTIONS

(11) Periodic Inspection of the Control Enclosure

a. Cleaning the cooling unit

The cooling unit in the door of the control enclosure serves to prevent excessive

temperature rise inside the control enclosure and increase the reliability of the NC unit.

Inspect the following points every three months.

•Is the fan motor inside the cooling unit working?

The motor is normal if there is a strong draft from the unit.

•Is the external air inlet blocked?

If it is blocked, clean it with compressed air.

6. General Precautions

(1) Keep the vicinity of the machine clean and tidy.

(2) Wear appropriate clothing while working, and follow the instructions of someone with sufficient

training.

(3) Make sure that your clothes and hair cannot become entangled in the machine. Machine

operators must wear safety equipment such as safety shoes and goggles.

(4) Machine operators must read the instruction manual carefully and make sure of the correct

procedure before operating the machine.

(5) Memorize the position of the emergency stop button so that you can press it immediately at any

time and from any position.

(6) Do not access the inside of the control panel, transformer, motor, etc., since they contain high-

voltage terminals and other components which are extremely dangerous.

(7) If two or more persons must work together, establish signals so that they can communicate to

confirm safety before proceeding to each new step.

5238-E P-(v)

SAFETY PRECAUTIONS

7. Symbols Used in This Manual

The following warning indications are used in this manual to draw attention to information of

particular importance. Read the instructions marked with these symbols carefully and follow them.

indicates an imminently hazardous situation which, if not avoided, will result in death or serious

injury.

indicates a potentially hazardous situation which, if not avoided, could result in death or serious

injury.

indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate

injury.

indicates a potentially hazardous situation which, if not avoided, may result in damage to your

property.

indicates general instructions for safe operation.

DANGER

WARNING

CAUTION

SAFETY INSTRUCTIONS

5238-E P-(i)

INTRODUCTION

Thank you very much for purchasing our numerical control unit.

Before using this NC unit (hereafter simply called NC), thoroughly read this programming manual (hereafter

called this manual) in order to ensure correct use.

This manual explains how to use and maintain the NC so that it will deliver its full performance and maintain

accuracy over a long term.

You must pay particular attention to the cautions given in this manual, read them carefully, and make sure you

fully understand them before operating the NC.

Display Screens

The NC display screens vary with the selected NC specifications.

The screens shown in this manual, therefore, may not exactly the same with those

displayed on your NC.

5238-E P-(i)

TABLE OF CONTENTS

SECTION 1 PROGRAM CONFIGURATIONS .............................................................1

1. Program Types ........................................................................................................................ 1

2. Program Name ........................................................................................................................ 2

3. Sequence Name ...................................................................................................................... 3

4. Program Format....................................................................................................................... 4

4-1. Word Configuration........................................................................................................... 4

4-2. Block Configuration .......................................................................................................... 4

4-3. Program............................................................................................................................ 4

4-4. Programmable Range of Address Characters.................................................................. 5

5. Mathematical Operation Functions .......................................................................................... 6

6. Block Delete............................................................................................................................. 8

7. Comment Function (CONTROL OUT/IN) ................................................................................ 8

8. Program Storage Memory Capacity ........................................................................................ 9

9. Variable Limits ......................................................................................................................... 9

10.Determining Feedrate for Cutting along C-Axis ..................................................................... 10

10-1.Cutting by Controlling the C-axis Only........................................................................... 10

10-2.Cutting by Controlling Both C-axis and Z-axis Simultaneously ..................................... 11

10-3.Cutting by Controlling Both C-axis and X-axis Simultaneously ..................................... 12

10-4.Cutting by Simultaneous 3-axis Control of X-, Z-, and C-axis ....................................... 14

SECTION 2 COORDINATE SYSTEMS AND COMMANDS ......................................16

1. Coordinate Systems .............................................................................................................. 16

1-1. Coordinate Systems and Values .................................................................................... 16

1-2. Encoder Coordinate System........................................................................................... 16

1-3. Machine Coordinate System .......................................................................................... 16

1-4. Program Coordinate System .......................................................................................... 16

2. Coordinate Commands.......................................................................................................... 18

2-1. Controlled Axis ............................................................................................................... 18

2-2. Commands in Inch System............................................................................................. 20

2-3. Position of Decimal Point................................................................................................ 20

2-4. Absolute and Incremental Commands (G90, G91) ........................................................ 22

2-5. Diametric and Radial Commands................................................................................... 23

SECTION 3 MATH FUNCTIONS ...............................................................................24

1. Positioning (G00) ................................................................................................................... 24

2. Linear Interpolation (G01)...................................................................................................... 24

3. Circular Interpolation (G02, G03)........................................................................................... 26

4. Automatic Chamfering ........................................................................................................... 30

4-1. C-chamfering (G75)........................................................................................................ 30

4-2. Rounding (G76) ..............................................................................................................32

5238-E P-(ii)

TABLE OF CONTENTS

4-3. Automatic Any-Angle Chamfering .................................................................................. 34

5. Torque Limit and Torque Skip Function................................................................................. 36

5-1. Torque Limit Command (G29)........................................................................................ 36

5-2. Torque Limit Cancel Command (G28)............................................................................ 36

5-3. Torque Skip Command (G22) ........................................................................................ 37

5-4. Parameter Setting...........................................................................................................38

5-5. Program Example........................................................................................................... 39

SECTION 4 PREPARATORY FUNCTIONS...............................................................40

1. Dwell (G04)............................................................................................................................ 40

2. Zero Shift/Max. Spindle Speed Set (G50) ............................................................................. 41

2-1. Zero Shift ........................................................................................................................ 41

2-2. Max. Spindle Speed Set ................................................................................................. 42

3. Droop Control (G64, G65) ..................................................................................................... 42

4. Feed Per Revolution (G95).................................................................................................... 43

5. Feed Per Minute (G94) .......................................................................................................... 43

6. Constant Speed Control (G96/G97) ...................................................................................... 44

SECTION 5 S, T, AND M FUNCTIONS .....................................................................45

1. S Functions (Spindle Functions)............................................................................................ 45

2. SB Code Function.................................................................................................................. 45

3. T Functions (Tool Functions) ................................................................................................. 46

4. M Functions (Auxiliary Functions).......................................................................................... 47

5. M-tool Spindle Commands .................................................................................................... 51

5-1. Programming Format...................................................................................................... 51

5-2. M Codes Used for C-axis Operation............................................................................... 52

6. STM Time Over Check Function ........................................................................................... 54

6-1. Check ON Conditions ..................................................................................................... 54

6-2. S, T, M Cycle Time Setting............................................................................................. 54

6-3. Timing Chart Example .................................................................................................... 55

SECTION 6 OFFSET FUNCTION .............................................................................56

1. Tool Nose Radius Compensation Function (G40, G41, G42) ............................................... 56

1-1. General Description........................................................................................................ 56

1-2. Tool Nose Radius Compensation for Turning Operations.............................................. 56

1-3. Compensation Operation................................................................................................ 57

1-4. Nose Radius Compensation Commands (G, T Codes).................................................. 59

1-5. Data Display ................................................................................................................... 60

1-6. Buffer Operation ............................................................................................................. 61

1-7. Path of Tool Nose "R" Center in Tool Nose Radius Compensation Mode ..................... 61

1-8. Tool Nose Radius Compensation Programming ............................................................ 62

2. Cutter Radius Compensation Function.................................................................................. 90

5238-E P-(iii)

TABLE OF CONTENTS

2-1. Overview......................................................................................................................... 90

2-2. Programming .................................................................................................................. 90

2-3. Operations ...................................................................................................................... 92

SECTION 7 FIXED CYCLES .....................................................................................96

1. Fixed Cycle Functions ........................................................................................................... 96

2. Fixed Thread Cutting Cycles ................................................................................................. 97

2-1. Fixed Thread Cutting Cycle: Longitudinal (G31, G33).................................................... 97

2-2. Fixed Thread Cutting Cycle: End Face (G32) ................................................................ 99

3. Non-Fixed Thread Cutting Cycle (G34, G35) ...................................................................... 102

4. Precautions when Programming Thread Cutting Cycles ..................................................... 103

5. Thread Cutting Compound Cycle (G71/G72) ...................................................................... 109

5-1. Longitudinal Thread Cutting Cycle (G71) ..................................................................... 109

5-2. Program Example for Longitudinal Thread Cutting Compound Fixed Cycle

(G71) ............................................................................................................................ 110

5-3. Transverse Thread Cutting Compound Fixed Cycle (G72) .......................................... 111

5-4. M Code Specifying Thread Cutting Mode and Infeed Pattern ...................................... 112

5-5. Multi-thread Thread Cutting Function in Compound Fixed Thread Cutting Cy-

cle ................................................................................................................................. 125

6. Grooving/Drilling Compound Fixed Cycle............................................................................ 126

6-1. Longitudinal Grooving Fixed Cycle (G73)..................................................................... 126

6-2. Example Program for Longitudinal Grooving Compound Fixed Cycle (G73) ............... 127

6-3. Transverse Grooving/Drilling Fixed Cycle (G74) .......................................................... 128

6-4. Example Program for Transverse Grooving/Drilling Fixed Cycle (G74) ....................... 129

6-5. Axis Movements in Grooving/Drilling Compound Fixed Cycle...................................... 129

7. Tapping Compound Fixed Cycle ......................................................................................... 130

7-1. Right-hand Tapping Cycle (G77).................................................................................. 130

7-2. Left-hand Tapping Cycle (G78) .................................................................................... 131

8. Compound Fixed Cycles...................................................................................................... 132

8-1. List of Compound Fixed Cycle Commands .................................................................. 132

8-2. Basic Axis Motions ....................................................................................................... 133

8-3. Address Characters...................................................................................................... 139

8-4. M Codes ....................................................................................................................... 139

8-5. Drilling Cycle (G181) .................................................................................................... 140

8-6. Boring Cycle (G182) ..................................................................................................... 141

8-7. Deep Hole Drilling Cycle (G183) .................................................................................. 142

8-8. Tapping Cycle (G184) .................................................................................................. 144

8-9. Longitudinal Thread Cutting Cycle (G185) ................................................................... 145

8-10.Transverse Thread Cutting Cycle (G186).................................................................... 146

8-11.Longitudinal Straight Thread Cutting (G187)............................................................... 147

8-12.Transverse Straight Thread Cutting (G188) ................................................................ 148

8-13.Reaming/Boring Cycle (G189)..................................................................................... 149

8-14.Key Way Cutting (G190).............................................................................................. 150

8-15.Synchronized Tapping Cycle....................................................................................... 153

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